I want to buy decent cables for my speakers and was wondering on how the setup should be.

The speakers in question (Infinity Alpha 40) is biwirable. My amp has two pairs of speaker outputs. In this case which one is a better idea: to use biwiring cables or use separate wires using both of the speaker outputs on my amp? If I use separate identical cables, does the length make difference?

And about the cable diameter, are the thick ones necessarily better? If so how much? I am planning to spend around $80 for my cabling. 7 feet cable for each channel is sufficient. Do you have any suggestions on quality but cheap cables? What do you think about the ones here?

Please let me know what you think. Your help is much appreciated.

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